#!/bin/sh
#
# Start/stop wifi
#

case "$1" in
  start)
	CONFIG=/userdata/cfg/wpa_supplicant.conf
	echo "Starting wifi, checking driver status..."
	[ -x /usr/bin/wifi_start.sh ] || exit 0
	[ -f $CONFIG ] || exit 0
	WIFI_READY=`cat /proc/net/dev | grep wlan0`
	while [ -z "$WIFI_READY" ]
	do
		sleep 1
		WIFI_READY=`cat /proc/net/dev | grep wlan0`
		#echo "wifi ready: $WIFI_READY"
		CNT=`expr $CNT + 1`
		if [ $CNT -gt 100 ];then
			echo "wifi driver is not ready. please check if /etc/init.d/S66load_wifi_modules run correctly. then run /etc/init.d/S67wifi start"
			exit 0
		fi
	done
	echo "wifi driver is ready"
	SSID=`grep ssid /userdata/cfg/wpa_supplicant.conf | cut -d '"' -f 2`
	PWD=`grep psk /userdata/cfg/wpa_supplicant.conf | cut -d '"' -f 2`
	if [ x$SSID = xSSID ];then
		echo "ssid in /userdata/cfg/wpa_supplicant.conf not valid"
		exit 0
	fi
	if [ x$PWD = xPWD ];then
		echo "passwd in /userdata/cfg/wpa_supplicant.conf not valid"
		exit 0
	fi
	wifi_start.sh  $SSID $PWD
	;;
  stop)
	echo "Stopping wifi..."
	;;
  reload|force-reload)
	echo "Reloading reload wifi..."
	;;
  restart)
	"$0" stop
	sleep 1 # Prevent race condition: ensure dhcpcd stops before start.
	"$0" start
	;;
  *)
	echo "Usage: $0 {start|stop|restart|reload|force-reload}"
	exit 1
esac
